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CKP CMP waveform for GM 3.1 "J"
Posted to Technical Discussion Forum on 7/3/2007 5 Replies

I need a CKP/CMP relationship waveform for a 2001 Chevy Malibu that has a 3.1 'J' engine.

We have one that appears to have jumped time. We have one for an older 3.1 'M'. Are they the same?

Do these things bend valves when they jump? This car has 259k miles... Login to read more.

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